Registration Dossier
Registration Dossier
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The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: 244-168-5 | CAS number: 21041-95-2
Dissociation constant
Administrative data
- Endpoint:
- dissociation constant
- Data waiving:
- study scientifically not necessary / other information available
- Justification for data waiving:
- the study does not need to be conducted because the analytical method is not sensitive enough
- other:
- Justification for type of information:
- JUSTIFICATION FOR DATA WAIVING
Cadmium hydroxide is pH basic and the cadmium ionic form is 2+, thus the dissociation constant relating to the acidity constant, pKa, as required by the IUCLID database and REACH Guidance document, is not relevant for the substance. Equilibrium of cadmium ion in water and cadmium hydroxide conditions is illustrated by figures 4 and 5 on page 19-20 of the attached report (Liipo J, Karhu J, Metsärinta M-L, Virta K, Wiik E, Santala M, Pihlasalo J, Salminen J, Tiihonen J and Harle S. (2010). Characterization of Pure Cadmium Compounds – cadmium hydroxide. Outotec report. Testing laboratory: Outotec Oy, Pori, Finland. Report no.: 10168-ORC-T. Report date: 2010-08-23
Data source
Materials and methods
Results and discussion
Applicant's summary and conclusion
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